This patch starts the improvement of the style of the MF code:
	- remove a union that is used where casts suffice
	- add a helper function (signal_ce_msg_simple) and use it
	- replace some painful code that converts a byte array to
	  a couple of u32's and then shifts and masks the bytes back out.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>